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15 include "basic_2/rt_computation/fsb_aaa.ma".
16 include "basic_2/dynamic/nv_aaa.ma".
18 (* NATIVE VALIDITY FOR TERMS ************************************************)
20 (* Forward lemmas with strongly rst-normalizing closures ********************)
22 (* Basic_2A1: uses: snv_fwd_fsb *)
23 lemma nv_fwd_fsb (a) (h) (o): ∀G,L,T. ⦃G, L⦄ ⊢ T ![a, h] → ≥[h, o] 𝐒⦃G, L, T⦄.
24 #a #h #o #G #L #T #H elim (nv_fwd_aaa … H) -H /2 width=2 by aaa_fsb/